{"repo":"NousResearch/hermes-agent","public_id":"82924","display_label":"Drop empty assistant messages before provider call","summary":"These issues and PRs address a bug where the pre-call sanitizer or deduplication logic can produce empty assistant messages, which then cause a non-retryable HTTP 400 error from the provider. The fixes involve filtering out such empty messages before they are sent.","subsystem":"agent","counts":{"members":4,"open_issues":1,"open_issues_distinct":1,"open_prs":1,"closed_issues":0,"merged_prs":0,"attempt_prs":3},"landed_fix":null,"resolution":{"state":"unresolved","by":null},"freshness":{"state":"never_verified","last_verified_at":null,"is_stale":false},"grouping":{"backbone":"STRUCTURAL_SPANNING","link_density":0.5},"fix_edges":[],"members":[{"kind":"issue","number":82924,"title":"Pre-call sanitizer can emit an empty assistant message, causing a non-retryable HTTP 400","url":null,"state":"open"},{"kind":"pr","number":83038,"title":"fix(agent): drop empty assistant messages after tool_call_id dedup","url":null,"state":"open","close_reason":{"category":"silent_close","implication":"active"},"merged":false},{"kind":"pr","number":83245,"title":"fix(agent): drop empty assistant messages after tool_calls dedup (#82924)","url":null,"state":"closed","close_reason":{"refs":[{"kind":"pr","value":"#83038","number":83038}],"category":"duplicate_of","implication":"duplicate"},"merged":false},{"kind":"pr","number":83748,"title":"fix(agent): drop empty assistant messages before they reach the provider","url":null,"state":"closed","close_reason":{"refs":[{"kind":"pr","value":"#83038","number":83038}],"category":"duplicate_of","implication":"duplicate"},"merged":false}],"trust":{"default_tier":"verified","includes_suggested":false}}